Real Name: Finn Mertens the Heroic Human Boy
Age 12-18
Occupation: Hero, Adventurer, Nice Knight, Friend of Kyle Broflovski
Relatives: Kyle Broflovski, Stan Marsh & Kenny McCormick (adoptive friends)

It is revealed in "Min & Marty" that Finn was born on Hub Island (one of the human-inhabited islands outside of The Land of Ooo) to his father Martin Mertens and his mother, Minerva Campbell.